+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1341 Edmee (1935 BA) Classification: Main-belt Asteroid          SPK-ID: 2001341 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07912334745000218 3.3955e-08   a 2.741557546994689 9.6581e-09 au q 2.524636336649653 9.2059e-08 au i 13.09134388855931 3.4763e-06 deg node 107.4823446534679 1.654e-05 deg peri 140.61386968567 2.7923e-05 deg M 156.1047071445429 2.2886e-05 deg tp 2458281.534626447595 (2018-Jun-12.03462645) 0.00010489 TDB period 1658.037987536199 4.54 8.7615e-06 2.399e-08 d yr n .2171240964960945 1.1473e-09 deg/d Q 2.958478757339725 1.0422e-08 au   Orbit Determination Parameters    # obs. used (total)      2848      data-arc span      37833 days (103.58 yr)      first obs. used      1917-02-23      last obs. used      2020-09-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38321      source      ORB      producer      Otto Matic      solution date      2020-Oct-22 15:32:38   Additional Information  Earth MOID = 1.5225 au   Jupiter MOID = 2.15558 au   T_jup = 3.308  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.5   n/a MPO502166 IRAS observations used: 17 diameter diameter 23.859 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 23.745 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Stephens, R.D. (2010) Minor Planet Bull. 37, 28-29.] [Stephens, R.D. (2015) Minor Planet Bull. 42, 70-74.] geometric albedo albedo 0.182   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.700   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=7.57, mean=11.39, max.=15.17) deg. U-B UB 0.262   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=7.57, mean=12.26, max.=15.73) deg. Tholen spectral type spec_T XB   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 1341 Edmee (1935 BA)          Discovered 1935-Jan-27 by Delporte, E. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1935 BA = 1929 WB1 = 1932 NK = 1957 YK = 1963 KJ = A917 DA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-31 00:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin